On or before January 1, 2020, there will be at least one YouTube video with over 4 billion views.

Created by Vipul Naik on 2017-04-22; known on 2020-01-02; judged right by Vipul Naik on 2017-10-12.

• Vipul Naik estimated 60% on 2017-04-22
• Vipul Naik said “See https://en.wikipedia.org/wiki/List_of_most_viewed_YouTube_videos to keep track of video views” on 2017-04-22
• themusicgod1 estimated 51% on 2017-04-22
• Semenar estimated 95% on 2017-04-30
• Vipul Naik estimated 99% and said “Despacito alone should get there two years ahead of schedule! https://predictionbook.com/predictions/184343” on 2017-08-07
• Vipul Naik   judged this prediction right on 2017-10-12.